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We review the hadro-production data presently available on open charm and beauty absolute production cross-sections, collected by experiments at CERN, DESY and Fermilab. The published charm production cross-section values are updated, in…

High Energy Physics - Phenomenology · Physics 2008-11-26 C. Lourenco , H. K. Wohri

We discuss some new aspects of charm production trigerred by recent observations of the LHCb collaboration. The LHCb collaboration measured small asymmetries in production of $D^+ D^-$ mesons as well as $D_s^+ D_s^-$ mesons. Is this related…

High Energy Physics - Phenomenology · Physics 2019-05-22 Antoni Szczurek

We evaluate nuclear shadowing of the total cross section of charm particles production in DIS within the framework of the Gribov theory of nuclear shadowing using as input the recent QCD Pomeron parton density analysis of the HERA…

High Energy Physics - Phenomenology · Physics 2009-10-31 L. Alvero , L. Frankfurt , M. Strikman

Some recent results from the Fermilab fixed-target experiment E789 on production of charm, charmonium, and beauty are summarized and compared to model predictions. The data indicate that heavy-quark and quarkonium production are not yet…

High Energy Physics - Experiment · Physics 2007-05-23 Daniel M. Kaplan

The statistical coalescence model for the production of open and hidden charm is considered within the canonical ensemble formulation. The data for the J/\psi multiplicity in Pb+Pb collisions at 158 A GeV are used for the model prediction…

High Energy Physics - Phenomenology · Physics 2009-10-31 M. I. Gorenstein , A. P. Kostyuk , H. Stoecker , W. Greiner

In charged current deep inelastic scattering charm is dominantly produced in scattering events on strange quarks, thereby allowing for an experimental determination of the nucleon's strange sea density. A measurement of the energy spectrum…

High Energy Physics - Phenomenology · Physics 2009-10-31 S. Kretzer

The production of baryons containing two charmed quarks Xi_cc in hadronic interactions at high energies and large transverse momenta is considered. It is supposed, that Xi_cc-baryon is formed during a non-perturbative fragmentation of the…

High Energy Physics - Phenomenology · Physics 2009-11-07 D. A. Gunter , V. A. Saleev

We present an overview of the recent abundant measurements for charm production at RHIC. The significant information of charm cross sections in different collision system at 200 GeV and charmed hadron freeze-out and flow properties…

Nuclear Experiment · Physics 2008-11-26 Yifei Zhang

The results of the SERP-E-184 experiment at the U-70 accelerator (IHEP, Protvino) are presented. Interactions of the 70 GeV proton beam with carbon, silicon and lead targets were studied to detect decays of charmed $D^0$, $\bar D^0$, $D^+$,…

High Energy Physics - Experiment · Physics 2016-11-23 V. Ryadovikov

We investigate the charm hadron production in relativistic heavy-ion collisions with the quark combination model. The $p_{T}$ dependencies of the charm baryon to meson ratios such as…

Nuclear Theory · Physics 2009-01-16 Tao Yao , Wei Zhou , Qu-Bing Xie

We study the $J/\psi$ photoproduction from nuclei near the kinematic threshold within the first collision model, based on the nuclear spectral function, for incoherent primary photon--nucleon charmonium creation processes. The model takes…

Nuclear Theory · Physics 2015-10-02 E. Ya. Paryev , Yu. T. Kiselev

We discuss the production of $D$ mesons and $J/\psi$ quarkonia in proton-nucleus collisions in the fixed-target LHCb experiment. We consider gluon-gluon fusion within $k_t$-factorization, processes initiated by intrinsic charm in the…

High Energy Physics - Phenomenology · Physics 2025-04-01 Antoni Szczurek , Anna Cisek , Rafal Maciula

The currently operating FASER experiment and the planned Forward Physics Facility (FPF) will detect a large number of neutrinos produced in proton-proton collisions at the LHC. In this work, we estimate neutrino fluxes at these detectors…

High Energy Physics - Phenomenology · Physics 2024-02-05 Atri Bhattacharya , Felix Kling , Ina Sarcevic , Anna M. Stasto

We examine the possibility to utilize in-medium charmonium formation in heavy ion interactions at collider energy as a probe of the properties of the medium. This is possible because the formation process involves recombination of charm…

High Energy Physics - Phenomenology · Physics 2009-11-11 R. L. Thews

Recent results on the production of open charm in electron proton scattering at HERA are reviewed. Results on the fragmentation of charm are presented and compared to the measurements at e+e- colliders. Recent results on the charm…

High Energy Physics - Experiment · Physics 2019-08-14 Jeannine Wagner

In this article, we report on the STAR results of open charm hadron production at mid-rapidity in $p+p$ and Au+Au collisions at $\sqrt{s_{NN}}$ = 200 GeV and $p+p$ collisions at $\sqrt{s}$ = 500 GeV. The measurements cover transverse…

High Energy Physics - Experiment · Physics 2019-08-13 David Tlusty

Heavy quarks are a unique probe to study the medium produced in ultra-relativistic heavy ion collisions. The dominant process of charm quark production at RHIC is believed to be initial gluon fusion which can be calculated in the…

High Energy Physics - Experiment · Physics 2015-06-09 David Tlusty

We argue that the non-perturbative Schwinger mechanism may play an important role in the hadronic production of charm. We present a flux tube model which assumes that the colliding hadrons become color charged because of gluon exchange, and…

Nuclear Theory · Physics 2008-11-26 C. E. Aguiar , T. Kodama , R. A. M. S. Nazareth , G. Pech

The cosmic ray interaction event generator Sibyll is widely used in extensive air shower simulations for cosmic ray and neutrino experiments. Charmed particle production has been added to the Monte Carlo with a phenomenological,…

High Energy Astrophysical Phenomena · Physics 2011-03-01 Eun-Joo Ahn , Ralph Engel , Thomas K. Gaisser , Paolo Lipari , Todor Stanev

These proceedings summarize the LHCb measurements of charm- and beauty-hadron production in pPb collisions. The studies are made down to very low-\pt of the observed heavy-flavor hadrons using fully reconstructed decays. Nuclear matter…

High Energy Physics - Experiment · Physics 2019-02-15 Yanxi Zhang
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